Can't get lathe to Feed
16 Aug 2021 12:04 #217877
by Clive S
I have added my config and pics of the Boxford 125
forum.linuxcnc.org/38-general-linuxcnc-q...ved?start=110#217847
Replied by Clive S on topic Can't get lathe to Feed
Andy,
Ref: encoder.N.missing-teeth
My encoder disc has 100 slots. Should I blank out two slots and use this method?
Do we leave the 'scale' still set at 100 ?
I have added my config and pics of the Boxford 125
forum.linuxcnc.org/38-general-linuxcnc-q...ved?start=110#217847
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16 Aug 2021 23:48 #217932
by andypugh
You can blank out one or more teeth.
Replied by andypugh on topic Can't get lathe to Feed
Yes, the scale still stays at however many teeth there would be.My encoder disc has 100 slots. Should I blank out two slots and use this method?
Do we leave the 'scale' still set at 100 ?
You can blank out one or more teeth.
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17 Aug 2021 05:19 #217953
by rider-83
Replied by rider-83 on topic Can't get lathe to Feed
My thoughts were to blank out two teeth with epoxy, but I'm unsure how to set up this 'missing-teeth'. Is this only available to ver2.9 ?
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17 Aug 2021 07:40 #217962
by andypugh
Missing-tooth index is, indeed, only available with 2.9. (though it would work with 2.8 if you compiled it for 2.8)
Setup is as simple as connecting just channel-A and using a "setp" in the HAL file to set the number of missing teeth.
Replied by andypugh on topic Can't get lathe to Feed
I think that I would start with tape if it is an optical sensor. If it is inductive then neither tape nor epoxy will work.My thoughts were to blank out two teeth with epoxy, but I'm unsure how to set up this 'missing-teeth'. Is this only available to ver2.9 ?
Missing-tooth index is, indeed, only available with 2.9. (though it would work with 2.8 if you compiled it for 2.8)
Setup is as simple as connecting just channel-A and using a "setp" in the HAL file to set the number of missing teeth.
The following user(s) said Thank You: HalaszAttila
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17 Aug 2021 08:10 #217964
by rider-83
Replied by rider-83 on topic Can't get lathe to Feed
Tape is a good idea. Ta.
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18 Aug 2021 17:55 #218083
by rider-83
Replied by rider-83 on topic Can't get lathe to Feed
Does this look correct?
Swap:
net pulse-index-combined parport.1.pin-10-in encoder.0.phase-A encoder.0.phase-Z
for
net pulse-index-combined parport.1.pin-10-in encoder.0.phase-A
setp encoder.0.missing-teeth 2
Swap:
net pulse-index-combined parport.1.pin-10-in encoder.0.phase-A encoder.0.phase-Z
for
net pulse-index-combined parport.1.pin-10-in encoder.0.phase-A
setp encoder.0.missing-teeth 2
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18 Aug 2021 22:17 #218095
by andypugh
Replied by andypugh on topic Can't get lathe to Feed
Yes, looks right.
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21 Aug 2021 13:17 #218325
by rider-83
Replied by rider-83 on topic Can't get lathe to Feed
parameter or pin'encoder.0.missing-teeth 2' not found
Hmmm, I think I've done something wrong
Hmmm, I think I've done something wrong
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22 Aug 2021 00:42 #218368
by andypugh
Replied by andypugh on topic Can't get lathe to Feed
Are you using LinuxCNC 2.9?
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22 Aug 2021 07:09 #218382
by rider-83
Replied by rider-83 on topic Can't get lathe to Feed
Yes,
I installed some months back for the use of the G71
I installed some months back for the use of the G71
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